/Engine/Source/Editor/CurveEditor/Public/CurveModel.h
Helper function for assigning a the same attributes to a number of keys
void SetKeyAttributes ( [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [FKeyHandle](API\Runtime\Engine\Curves\FKeyHandle) > InKeys, const [FKeyAttributes](API\Editor\CurveEditor\FKeyAttributes) & InAttributes, [EPropertyChangeType::Type](API\Runtime\CoreUObject\UObject\Type) ChangeType )